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SHERWIN INC

US3 patents

Top patents by PatentIndex Score

US6311538B1Nov 6, 2001

Test piece for inspection penetrant performance assessment and comparison

SHERWIN INC20 citations91
US6729175B2May 4, 2004

Test piece for inspection penetrant performance assessment and comparison

SHERWIN INC4 citations61
US8003009B2Aug 23, 2011

Fluorescent and visible penetrant inspection

SHERWIN INC2 citations55